You Are Conducting a Study of How Effective a Midnight

question 23

Multiple Choice

You are conducting a study of how effective a midnight basketball program is on reducing inner city juvenile crime. You measure the number of crimes reported to the police before and after the program is instituted, and you compare your findings to the crime rates in another city of similar size that does not have such a program. What sort of evaluation design are you using?

• A)The time series
• B)The multiple time series
• C)The nonequivalent control group design
• D)The posttest-only control group design
• E)The one-shot case study

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Definitions:

Forecast Values

The projected or predicted numerical values in the future based on current and historical data analysis.

Seasonal Indexes

Statistical factors used in time series analysis to adjust for seasonality and understand periodic fluctuations in data.

Regression Trend Line

A line on a scatter plot, derived from regression analysis, that shows the main trend of the relationship between two variables.

Mean Absolute Deviation

Mean absolute deviation is a measure of variability that represents the average absolute difference between each data point and the mean of the data set.